# AI CogniSphere vs Polyglob

The clearest difference is device support: Polyglob at 3 against AI CogniSphere's —. Polyglob also leads on iOS requirement (13.0 vs 18.6). On price and in-app purchases there is nothing between them.

Both are free to download. AI CogniSphere sells 1 in-app purchase, starting at $3.99 per month and Polyglob sells 11 in-app purchases, starting at $10.00 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | AI CogniSphere | Polyglob |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/polyglob-language-lessons/id6766428499/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Freemium |
| Size | 11 MB | 35 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YiAn Hsueh](https://appshunter.io/developer/1825079989) | [Mikan Labs Inc.](https://appshunter.io/developer/1896288388) |

## What reviewers say

### AI CogniSphere

[App page](https://appshunter.io/ios/app/ai-cognisphere/id6760450042)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CogniSphere Pro Monthly | $3.99 | per month |


### Polyglob

[App page](https://appshunter.io/ios/app/polyglob-language-lessons/id6766428499)

Engage in daily language practice through bite-sized, real-life lessons. Master new vocabulary and grammar with interactive quizzes, flashcards, and cultural insights. Build a consistent learning habit and track your progress with engaging activities.

**Highlights:** Short, real-life story and dialogue lessons, Audio for listening comprehension, Typed quizzes with feedback, Flashcards from lessons, Grammar and culture cheatsheets, Daily streak tracking, Trophy World rewards

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Learn Thai Monthly | $10.00 | per month |
| Learn Japanese Monthly | $10.00 | per month |
| Learn Chinese Monthly | $10.00 | per month |
| Learn Italian Monthly | $10.00 | per month |
| Learn Korean Monthly | $10.00 | per month |
| Learn Spanish Monthly | $10.00 | per month |
| Learn French Monthly | $10.00 | per month |
| Learn German Monthly | $10.00 | per month |
| Polyglob Plus Monthly | $12.99 | per month |
| Polyglob Plus Yearly | $119.99 | per year |
| 3 Creation Credits | $2.99 | one-time |


## Frequently asked questions

### Is AI CogniSphere free?

AI CogniSphere is free to download, with in-app purchases available.

### Is Polyglob free?

Polyglob is free to download, with in-app purchases available.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*